Google Chrome Beta, Dev channels now support Windows 7 taskbar thumbnails
If you haven't received the update yet, you can force a check by clicking the wrench menu and then "About Google Chrome." Downloads are also available from Google's early access channels page.
It's not without bugs, though. @keshav and I have both had a glitch which seems to occur when using win+d to show the desktop where tiny windows will appear along the top of your taskbar (pic after the jump).